91469714627 has 4 divisors (see below), whose sum is σ = 93415878816. Its totient is φ = 89523550440.

The previous prime is 91469714617. The next prime is 91469714647. The reversal of 91469714627 is 72641796419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72641796419 = 283 ⋅256684793.

It is a cyclic number.

It is not a de Polignac number, because 91469714627 - 2¹² = 91469710531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91469714617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973082024 + ... + 973082117.

It is an arithmetic number, because the mean of its divisors is an integer number (23353969704).

Almost surely, 2^91469714627 is an apocalyptic number.

91469714627 is a deficient number, since it is larger than the sum of its proper divisors (1946164189).

91469714627 is a wasteful number, since it uses less digits than its factorization.

91469714627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946164188.

The product of its digits is 4572288, while the sum is 56.

The spelling of 91469714627 in words is "ninety-one billion, four hundred sixty-nine million, seven hundred fourteen thousand, six hundred twenty-seven".